Home / 319,396,519.40-479,133,026.04-98,038,864.52

Finding the Fourth Proportional to 319,396,519.40, 479,133,026.04 and 98,038,864.52

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Solution

The fourth proportional to 319,396,519.40, 479,133,026.04 and 98,038,864.52 is: 147,070,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,396,519.40 : 479,133,026.04 = 98,038,864.52 : x
  2. Step 2: Convert to fraction form
    319,396,519.40/479,133,026.04 = 98,038,864.52/x
  3. Step 3: Cross multiply
    319,396,519.40x = 479,133,026.04 × 98,038,864.52
  4. Step 4: Simplify right side
    319,396,519.40x = 46,973,657,826,993,192
  5. Step 5: Solve for x
    x = 46,973,657,826,993,192/319,396,519.40
  6. Step 6: Final answer
    x = 147,070,036.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.